feat: settings window rework

Dalamud/Interface/Internal/Windows/Settings/SettingsTab.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Dalamud.Interface.Internal.Windows.Settings;
+
+[SuppressMessage("StyleCop.CSharp.DocumentationRules", "SA1600:Elements should be documented", Justification = "Internals")]
+public abstract class SettingsTab : IDisposable
+{
+    public abstract SettingsEntry[] Entries { get; }
+
+    public abstract string Title { get; }
+
+    public bool IsOpen { get; set; } = false;
+
+    public virtual bool IsVisible { get; } = true;
+
+    public virtual void OnOpen()
+    {
+        // ignored
+    }
+
+    public virtual void OnClose()
+    {
+        foreach (var settingsEntry in this.Entries)
+        {
+            settingsEntry.OnClose();
+        }
+    }
+
+    public virtual void Draw()
+    {
+        foreach (var settingsEntry in this.Entries)
+        {
+            if (settingsEntry.IsVisible)
+                settingsEntry.Draw();
+
+            ImGuiHelpers.ScaledDummy(5);
+        }
+
+        ImGuiHelpers.ScaledDummy(15);
+    }
+
+    public virtual void Load()
+    {
+        foreach (var settingsEntry in this.Entries)
+        {
+            settingsEntry.Load();
+        }
+    }
+
+    public virtual void Save()
+    {
+        foreach (var settingsEntry in this.Entries)
+        {
+            settingsEntry.Save();
+        }
+    }
+
+    public virtual void Discard()
+    {
+        foreach (var settingsEntry in this.Entries)
+        {
+            settingsEntry.Load();
+        }
+    }
+
+    /// <inheritdoc/>
+    public virtual void Dispose()
+    {
+        // ignored
+    }
+}